//获取当时时间（XXXX-XX-XX)
export function getCurDate(){
	var now = new Date();
	var year = now.getFullYear();
	var month = now.getMonth() + 1;
	var day = now.getDate();
	month = month < 10 ? "0" + month : month;
	day = day < 10 ? "0" + day : day;
	return year + "-" + month + "-" +day;
}

//向sessionStorage中存储一个JSON对象
export function setSessionStorage(keyStr, value){
	sessionStorage.setItem(keyStr, JSON.stringify(value));
}

//从sessionStorage中获取一个JSON对象（取不到时返回null)
export function getSessionStorage(keyStr){
	var str = sessionStorage.getItem(keyStr);
	if(str == '' || str == null || str == 'null' || str == undefined){
		return null;
	}else{
		return JSON.parse(str);
	}
}

//从sessionStorage中移除一个JSON对象
export function removeSessionStorage(keyStr){
	sessionStorage.removeItem(keyStr);
}

//向localStorage中存储一个JSON对象
export function setLocalStorage(keyStr, value){
	localStorage.setItem(keyStr, JSON.stringify(value));
}

//从localStorage中获取一个JSON对象（取不到时返回null)
export function getLocalStorage(keyStr){
	var str = localStorage.getItem(keyStr);
	if(str == '' || str == null || str == 'null' || str == undefined){
		return null;
	}else{
		return JSON.parse(str);
	}
}

//从localStorage中移除一个JSON对象
export function removeLocalStorage(keyStr){
	localStorage.removeItem(keyStr);
}
